168446780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443281}}^1$

素因数の和:443309

約数の個数: 24

約数和(自身を含む): 372356880

約数和(自身を除く): 203910100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 443281, 886562, 1773124, 2216405, 4432810, 8422339, 8865620, 16844678, 33689356, 42111695, 84223390, 168446780]

約数ペア:

[(1, 168446780), (2, 84223390), (4, 42111695), (5, 33689356), (10, 16844678), (19, 8865620), (20, 8422339), (38, 4432810), (76, 2216405), (95, 1773124), (190, 886562), (380, 443281)]